#!/bin/sh

# Slackware build script for R
# Written by Joel J. Adamson 
# Modified by SlackBuilds.org

PRGNAM=R
VERSION=2.9.0
ARCH=${ARCH:-i486}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

CWD=$(pwd)
TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
 elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
 elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
fi

rm -rf $PKG 
mkdir -p $TMP $PKG
rm -rf $TMP/$PRGNAM-$VERSION
cd $TMP || exit 1
tar xvf $CWD/$PRGNAM-$VERSION.tar.gz || exit 1
cd $PRGNAM-$VERSION || exit 1
chown -R root:root .
chmod -R u+w,go+r-w,a-s .

# adjust the path variable; you need pdflatex to build the LaTeX
# documentation
PATH=/usr/share/texmf/bin:$PATH

# Set configure options
# If your app is written in C++, you'll also need to add a line for CXXFLAGS
CFLAGS="$SLKCFLAGS" \
  ./configure \
  --prefix=/usr \
  --sysconfdir=/etc \
  --localstatedir=/var \
  --with-perl=/usr/bin/perl \
  --enable-R-shlib \
  --build=$ARCH-slackware-linux \
  --host=$ARCH-slackware-linux 

make || exit 1
make install DESTDIR=$PKG || exit 1


( cd $PKG
   find . | xargs file | grep "executable" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
   find . | xargs file | grep "shared object" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
)

mv $PKG/usr/share/man $PKG/usr
( cd $PKG/usr/man
  find . -type f -exec gzip -9 {} \;
  for i in $(find . -type l) ; do ln -s $(readlink $i).gz $i.gz ; rm $i ; done
) 

mv $PKG/usr/share/info $PKG/usr
rm -f $PKG/usr/info/dir*
gzip -9 $PKG/usr/info/*.info*
rmdir $PKG/usr/share

mkdir -p $PKG/usr/doc
mv $PKG/usr/lib/R/doc $PKG/usr/doc/$PRGNAM-$VERSION
cp -a INSTALL README $CWD/$PRGNAM.SlackBuild $PKG/usr/doc/$PRGNAM-$VERSION
find $PKG/usr/doc/$PRGNAM-$VERSION -type f -exec chmod 644 {} \;
chown -R root:root $PKG/usr/doc
( cd $PKG/usr/lib/R ; ln -s /usr/doc/$PRGNAM-$VERSION doc )

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.tgz
